:root{--paper:#f5f3ed;--ink:#2e302b;--soft:#77796e;--line:#dddcd3;--red:#8f3d31;--green:#334e42}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button,.button{border:1px solid #c9c9be;background:#faf9f4;border-radius:3px;padding:10px 16px;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block}button:hover,.button:hover{background:#eae9df}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#243b31}.text-button{padding:3px 0;border:0;background:transparent;color:var(--green)}input,textarea,select{width:100%;border:1px solid #d5d6ca;border-radius:3px;padding:11px;background:#fffefa;color:var(--ink)}input:focus,textarea:focus,select:focus{outline:2px solid #839b88;outline-offset:1px}textarea{resize:vertical;line-height:1.65}label{display:block;margin:14px 0;color:#64675c;font-size:12px}label input,label textarea,label select{margin-top:7px}h1,h2{font-family:"KaiTi","STKaiti","Songti SC",serif;font-weight:500}h1{font-size:38px;margin:10px 0 14px;letter-spacing:1px}h2{font-size:25px}h3{font-size:15px;letter-spacing:.4px;font-weight:600}p{line-height:1.8}.muted{color:var(--soft)}.fine{font-size:12px;color:var(--soft);line-height:1.8}.eyebrow{font-family:Georgia,serif;font-size:10px;letter-spacing:2.4px;color:var(--red)}[hidden]{display:none!important}.login-screen{min-height:100vh;display:grid;grid-template-columns:52% 48%}.login-sheet{max-width:530px;width:100%;padding:8vh 50px;margin:auto}.login-sheet h1{font-size:46px;line-height:1.4}.seal{width:52px;height:52px;border:1px solid var(--green);color:var(--green);font:36px Georgia;text-align:center;line-height:50px;margin-bottom:40px}.login-sheet form{margin-top:30px;max-width:340px}.login-sheet button{width:100%;margin-top:10px}.login-art{background:#263d33;color:#d8d5b8;display:flex;justify-content:center;align-items:center;flex-direction:column;position:relative;overflow:hidden}.orbit{position:absolute;width:600px;height:600px;border:1px solid #b9bfa233;border-radius:50%;transform:rotate(25deg)}.orbit:before,.orbit:after{content:"";position:absolute;inset:55px;border:1px solid #b9bfa233;transform:rotate(45deg)}.orbit:after{inset:140px;border-radius:50%;transform:none}.roman{font:120px Georgia;z-index:1;letter-spacing:-8px}.login-art p{z-index:1;text-align:center;letter-spacing:5px;line-height:2.3;font-family:"KaiTi",serif;font-size:22px}#login-error{color:var(--red)}aside{position:fixed;inset:0 auto 0 0;width:218px;padding:32px 25px;background:#eeeee6;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;gap:12px;color:var(--green);text-decoration:none;font:40px Georgia}.brand span{font-size:17px;line-height:1.25;padding-top:6px;letter-spacing:2px}.brand small{font-size:11px;font-family:"Microsoft YaHei",sans-serif;letter-spacing:1px}.nav-label{color:#939589;margin:55px 12px 16px;font-size:11px;letter-spacing:2px}nav button{display:flex;gap:15px;width:100%;text-align:left;padding:15px 12px;border:0;background:none;color:#929588;font-family:Georgia,serif}nav button span{font-family:"Microsoft YaHei",sans-serif;color:#62665c;font-size:13px}nav button.active{background:#dde4d9;color:var(--green);border-left:3px solid var(--green);border-radius:0}.aside-bottom{margin-top:auto;font-size:12px;display:flex;flex-direction:column;gap:8px}.aside-bottom p{color:#9b9e92;font-size:9px;letter-spacing:1px}main{margin-left:218px;padding:0 42px 50px}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#8a8c80}.topbar b{font-weight:400;color:#54594c}.health{color:var(--green)}.page-heading{display:flex;align-items:center;justify-content:space-between;padding:32px 0 20px;gap:20px}.page-heading select{width:190px;font-size:12px}.page-heading .muted{font-size:12px;margin-bottom:0}.rules-grid{display:grid;grid-template-columns:minmax(350px,1fr) 245px;border:1px solid var(--line);background:#fffdf7}.conversation{padding:0 25px 20px}.messages{min-height:360px;max-height:54vh;overflow:auto;padding:20px 0}.empty-message{text-align:center;padding:38px 10px;color:#777e6a}.empty-message>span{font:46px Georgia;color:#9b6648}.empty-message h2{color:#414d3b}.empty-message p{font-size:12px}.suggestion{font-size:11px;margin-top:15px;background:#f3f1e7}.ask-box{border:1px solid #ced2c3;background:white;border-radius:4px;overflow:hidden}.ask-box textarea{border:0;background:transparent;resize:none}.ask-box>div{display:flex;justify-content:space-between;align-items:center;padding:8px 12px}.ask-box span{font-size:10px;color:#929b84}.ask-box button{font-size:12px}.history-panel{border-left:1px solid var(--line);background:#f0f1e9;padding:20px}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:15px}.panel-title h3{font-size:12px}.panel-title button{font-size:11px}.history-item{width:100%;border:0;background:transparent;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;padding:12px 0;border-bottom:1px solid #dcdfd2}.history-panel>.fine{margin-top:35px}.message{margin:15px 0;padding:15px 18px;background:#f1f2e9;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#ebeee5;border-left:2px solid #7b8a69}.message.assistant{background:transparent;border-bottom:1px solid var(--line);padding-left:0}.message .message-label{display:block;font-size:10px;letter-spacing:1px;color:#9b7b62;margin-bottom:7px}.sources{display:flex;gap:6px;flex-wrap:wrap;margin-top:15px}.sources button{font-size:10px;padding:6px 8px;border-color:#dbdccd;color:var(--green)}.steps{display:flex;gap:32px;border-bottom:1px solid var(--line);padding:0 0 18px;font-size:11px;color:#76836b}.doc-grid{display:grid;grid-template-columns:36% minmax(0,1fr);gap:22px;margin-top:24px}.task-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:22px}.panel{background:#fffdf7;border:1px solid var(--line);padding:23px;margin-bottom:20px}.panel>h3:first-child{margin-top:0}.upload-label{padding:15px;border:1px dashed #b0b79f}.upload-label input{font-size:11px;padding:8px 0;border:0}.source-index{height:390px;overflow:auto;border:1px solid var(--line);background:#fafaf2;font-size:11px}.source-row{padding:10px;border-bottom:1px solid #e2e4d7;cursor:pointer;line-height:1.6}.source-row:hover{background:#e8eddc}.source-row b{color:var(--green);font:10px Consolas,monospace;display:block;margin-bottom:4px}.pager{display:flex;justify-content:space-between;align-items:center;font-size:10px;margin-top:12px}.pager button{padding:5px 7px;font-size:10px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.code-editor,.result-detail{font:12px/1.7 Consolas,"Microsoft YaHei",monospace;overflow:auto}.notice{color:#7c6a42;font-size:12px;padding:10px;border-left:2px solid #b6a57d;background:#f4f0df}.button-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.button-row button,.button-row a{font-size:11px}.task-row{padding:15px 0;border-bottom:1px solid var(--line);cursor:pointer}.task-row:hover{background:#f1f2e9}.task-row .badge{float:right;font-size:10px;background:#e1e7da;padding:3px 6px}.task-row small{display:block;color:#919786;font-family:Consolas,monospace;font-size:10px;margin-top:6px}.result-detail{max-height:300px;white-space:pre-wrap;background:#f2f3eb;padding:14px}.narrow{max-width:560px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:14px 8px}th{color:#777f6d;font-weight:400}dialog{border:1px solid #adb59e;background:#fffdf5;max-width:900px;width:90%;max-height:85vh;padding:30px}dialog::backdrop{background:#29352b80}dialog pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.85 "Microsoft YaHei",sans-serif}.toast{position:fixed;bottom:30px;right:30px;max-width:500px;background:#2e4034;color:#fff;padding:17px 24px;box-shadow:0 4px 15px #0002;z-index:20;font-size:13px}.account-row{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}@media(max-width:1000px){main{padding:0 22px 30px;margin-left:175px}aside{width:175px;padding:24px 16px}.rules-grid{grid-template-columns:1fr}.history-panel{border-left:0;border-top:1px solid var(--line)}.doc-grid,.task-grid{grid-template-columns:1fr}.roman{font-size:90px}}@media(max-width:640px){.login-screen{grid-template-columns:1fr}.login-art{display:none}.login-sheet{padding:30px}.login-sheet h1{font-size:36px}aside{position:static;width:100%;padding:15px}aside .nav-label,.aside-bottom p{display:none}nav{display:flex;flex-wrap:wrap}nav button{width:auto;padding:10px;gap:6px}aside .brand{font-size:30px}.aside-bottom{flex-direction:row;justify-content:space-between;margin-top:15px}main{margin:0;padding:0 15px 30px}.topbar{height:50px}h1{font-size:30px}.page-heading{align-items:flex-start;flex-direction:column}.steps{gap:15px;flex-wrap:wrap}.conversation{padding:0 15px 15px}}

.new-chat{margin-top:40px;width:100%;font-size:12px}.nav-label{margin:28px 0 10px}.sidebar-history{overflow:auto;flex:1}.history-item{padding:12px 5px}.aside-bottom{padding-top:16px}.rules-grid{grid-template-columns:1fr}.messages{min-height:330px;max-height:56vh}.top-actions{display:flex;gap:18px;align-items:center}.top-actions button{font-size:11px}#tools-menu{display:flex;gap:8px;flex-wrap:wrap;position:absolute;right:42px;top:65px;z-index:5;width:330px;padding:15px;background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 24px #0002}#tools-menu button{width:100%;padding:10px}.chat-options{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.chat-options select{width:170px}#chat-project{max-width:220px}.page-heading h1{font-size:30px}@media(max-width:640px){.sidebar-history{max-height:150px}.new-chat{margin-top:15px}#tools-menu{right:15px}.top-actions{gap:8px}.health{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}

.dice-entry{background:var(--green);color:#fff;border-color:var(--green);font-weight:600}.dice-entry:hover{background:#213d2e}.quick-tool{color:var(--green)}.top-actions{gap:10px}.health{font-size:10px}.project-grid{display:grid;grid-template-columns:300px 1fr;gap:22px}.project-file-row{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:9px 0;border-bottom:1px solid var(--line);font-size:12px}.project-file-row .button{font-size:11px;padding:5px 9px}.check-label{display:flex;gap:8px;align-items:center}.check-label input{width:auto;margin:0}.chm-grid{display:grid;grid-template-columns:275px minmax(0,1fr);border:1px solid var(--line);background:#fffdf7;height:calc(100vh - 230px);min-height:500px}.chm-sidebar{padding:18px;background:#eeeee6;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line)}.chm-sidebar label{margin:0 0 10px}.chm-sidebar .button-row{margin:0}.chm-sidebar .button-row button{padding:7px 10px}.chm-toc{overflow:auto;flex:1;margin-top:6px}.chm-item{display:block;border:0;background:transparent;width:100%;text-align:left;border-bottom:1px solid #dedfd4;padding:9px 5px;font-size:12px;line-height:1.55;overflow-wrap:anywhere}.chm-item:hover{background:#dde4d9}.toc-depth-1{padding-left:14px}.toc-depth-2{padding-left:23px}.toc-depth-3{padding-left:32px}.toc-depth-4{padding-left:41px}.chm-reading{display:flex;flex-direction:column;min-width:0}.chm-toolbar{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px}.chm-toolbar strong{overflow-wrap:anywhere;font-weight:400}.chm-toolbar .button{white-space:nowrap;padding:6px 9px;font-size:11px}#chm-frame{width:100%;border:0;flex:1;background:#fffdf7}.dice-table{max-width:950px;border:1px solid #c8cbbf;padding:34px;background:radial-gradient(ellipse at center,#f8f7ef,#e7ece1);border-radius:8px;box-shadow:inset 0 0 0 6px #ffffff60}.dice-table form{display:flex;align-items:flex-end;gap:16px;max-width:540px;margin:auto}.dice-table label{flex:1;margin:0}.dice-table input{font:24px Georgia,serif;letter-spacing:1px;text-transform:uppercase}.dice-table form button{height:54px}.dice-presets{display:flex;justify-content:center;gap:10px;margin:20px 0}.dice-presets button{padding:7px 15px;font:14px Georgia}.dice-arena{min-height:180px;display:flex;justify-content:center;align-content:center;align-items:center;flex-wrap:wrap;gap:18px;padding:22px 0}.die{width:78px;min-height:96px;display:flex;flex-direction:column;justify-content:center;align-items:center;border:1px solid #abb8a2;border-bottom:5px solid #a4ad97;background:#fffef8;box-shadow:3px 5px 0 #536b4420;border-radius:12px;color:var(--green)}.die strong{font:32px Georgia;line-height:1.3}.die-type,.die small{font-size:10px;color:#77846e}.die small{margin-top:5px}.die.rolling{animation:die-tumble .26s ease-in-out infinite}.die.rolling:nth-child(2n){animation-direction:reverse}.die.rolling:nth-child(3n){animation-delay:-.13s}@keyframes die-tumble{0%{transform:translateY(0) rotate(-12deg)}50%{transform:translateY(-15px) rotate(15deg)}100%{transform:translateY(0) rotate(-12deg)}}.dice-result{text-align:center;min-height:120px;overflow-wrap:anywhere}.dice-total{display:block;font:66px Georgia;color:var(--green);line-height:1.1}.dice-caption{font:15px Georgia;letter-spacing:2px;color:#8e734d}.dice-result p{font-size:13px;color:#66715d}.dice-table>.fine{text-align:center}.dice-invitation{color:#8a9580;font-family:KaiTi,serif;font-size:22px}@media(prefers-reduced-motion:reduce){.die.rolling{animation:none}}@media(max-width:1100px){.top-actions .health{display:none}.project-grid{grid-template-columns:1fr}.chm-grid{grid-template-columns:230px minmax(0,1fr)}main{padding:0 22px 30px}}@media(max-width:640px){.topbar{height:auto;min-height:60px;gap:10px;flex-wrap:wrap;padding:10px 0}.top-actions{gap:6px}.top-actions button{padding:7px 9px}.chm-grid{height:auto;grid-template-columns:1fr}.chm-sidebar{height:290px;border-right:0;border-bottom:1px solid var(--line)}.chm-reading{height:65vh;min-height:420px}.dice-table{padding:22px 16px}.dice-table form{gap:10px}.dice-table input{font-size:21px}.die{width:63px;min-height:82px}.dice-arena{gap:12px}.dice-total{font-size:54px}}

.native-runtime{margin:16px 0 0;padding:12px 16px;border:1px solid var(--line);background:#edf0e7;display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--green)}.runtime-job{display:flex;flex-wrap:wrap;align-items:center;gap:8px;border-top:1px solid var(--line);padding-top:8px}.runtime-job b{font-weight:500;overflow-wrap:anywhere}.runtime-job small{color:var(--muted);overflow-wrap:anywhere}.runtime-job button{margin-left:auto;padding:4px 10px}

.activity-progress{position:fixed;z-index:100;top:0;left:218px;right:0;height:5px;background:#dce5d8;overflow:hidden;pointer-events:none}.activity-progress>span{display:block;width:35%;height:100%;background:var(--green);animation:request-progress 1.15s linear infinite;will-change:transform}@keyframes request-progress{from{transform:translateX(-110%)}to{transform:translateX(400%)}}.source-direct-link{display:inline-block;border:1px solid var(--line);padding:7px 10px;text-decoration:none;color:var(--green);font-size:12px;background:#f1f3e9}.inline-reference{color:var(--green);text-decoration:underline;text-underline-offset:3px}.message-downloads{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}#chat-files{margin-top:14px;align-items:center}@media(max-width:1000px){.activity-progress{left:175px}}@media(max-width:640px){.activity-progress{left:0}}

/* Tools open in separate tabs; retain the existing entry styling. */
.top-actions a.button{font-size:11px}#tools-menu a.button{display:flex;gap:15px;width:100%;text-align:left;padding:10px;border:0;background:none;color:#929588;font-family:Georgia,serif}#tools-menu a.button span{font-family:"Microsoft YaHei",sans-serif;color:#62665c;font-size:13px}#tools-menu a.button:hover{background:#eae9df}@media(max-width:640px){.top-actions a.button{padding:7px 9px}}

.topbar-heading{display:flex;align-items:center;gap:12px;min-width:0}.sidebar-toggle{padding:7px 9px;font-size:12px;white-space:nowrap}.sidebar-toggle-label{font-size:11px}.sidebar-collapsed main{margin-left:0}.sidebar-collapsed .activity-progress{left:0}.history-row{display:flex;align-items:center;gap:2px;border-bottom:1px solid var(--line)}.history-row .history-item{flex:1;min-width:0;border-bottom:0;text-align:left;overflow-wrap:anywhere}.delete-chat{flex:none;border:0;background:transparent;color:#8f3d31;font-size:20px;padding:5px 7px;line-height:1.2}.delete-chat:hover{background:#eaded8}.danger{color:white;background:var(--red);border-color:var(--red)}.danger:hover{background:#713025}#delete-chat-dialog{max-width:460px}#delete-chat-title{overflow-wrap:anywhere}@media(max-width:1100px){.sidebar-toggle-label{display:none}.topbar-heading{gap:8px}}@media(max-width:640px){.sidebar-collapsed main{margin:0}.topbar-heading{flex:none}}